10 % of our brain
The theory stating that we only use 10 % of our brain is an urban legend. It seems to have originated from the 1930s self-help book “How to win friends and influence people,” (Dale Carnegie) in which a Harvard University professor was misquoted.
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Despite all the learning fads that have come and gone, from mindfulness to brain training games and exercises, learning is and will always be a process. It requires time and effort and is bound to feel difficult and uncomfortable at times.
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The theory says that people remember 10 % of what they read, 20 % of what they hear, 30 % of what they see, 50 % of what they see and hear, 70 % of what they say and write, and 90 % of what they do or teach others.
This is never actually been proven and the percentages given are pure fiction.
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Research on the growth mindset by Carol Dweck found that praise can actually be counterproductive and discourage people from taking risks.
Dweck’s research shows that praising effort and persistence is a much better way to motivate people.
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One study found that 75 % of college students and 55 % of instructors believe that changing their initial answer would lower their score overall.
A review of 33 studies found that, on average, people who change their answers score higher on tests than those who don’t.
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There’s no magic number of hours that will turn you into an expert .
A Princeton study found that deliberate practice can only predict success in fields with stable structures where the rules never change, such as tennis, chess, or classical music. In less stable fields, mastery requires more than just practice.
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There is no conclusive evidence that people preferentially use the left or right hemisphere.
Certain functions are processed more by one region of the brain than others, and this is known as lateralization. But we all use our entire brain equally.
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Both of these study strategies are relatively ineffective. Passively reading the same text over and over again won’t do much for recall unless it’s spaced out over time.
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Systematic studies of learning styles have consistently found no evidence or very weak evidence to support the idea that matching the material to a student’s learning style is more effective.
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A growing body of research shows that our IQ can increase over time, and in fact, research on growth mindset by Stanford psychologist Carol Dweck shows that our beliefs about intelligence can actually affect our effort, and in turn, our performance.
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RELATED IDEAS
We've heard this myth countless times from many different films or even in some of the fiction books we've read, but the reality is it continues to be a work of fiction. If this myth were true, we wouldn't be worried about brain damage that has profound consequences for our cognition and function.
The truth of the matter is that brain imaging techniques have demonstrated that the entire brain is being used even while we are asleep.
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The concept of learning styles--such as visual versus verbal or active versus reflective--is commonplace, but it turns out that there is little evidence to support it.
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There is an assumption that in the first years of life the vast majority of the brain’s development occurs, and after this period, the trajectory of human development is more or less fixed.
The truth is that experience can change both the brain’s physical structure and its functional organization— neuroplasticity. Also, mindful meditation can produce structural brain changes significant enough to be picked up by MRI scanners.
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